Door body



Jan. 31, 1967 Filed Aug. 18, 1964 W n. 1 334 i; M: 5; I I' 19.? "1'? iiii" "A W M I i1 I i! w m mm W h l i: ls i 26- I I l o. c. ECKEL DOORBODY 5 Sheets-Sheet 1 Jan. 31,1967 o c, ECKEL 3,300,901

DOOR BODY Filed Aug. 18. 1964 5 Sheets-Sheet 2 w :I i Hill WP MIMI Jan.31, 19 67 o. c, EC L 3,300,901

DOOR BODY Filed Aug. 18. 1964 5 Sheets-Sheet 3 INVENTOR. I

(9% C. j /MU United States Fatent G 3,300,901 DOOR BODY Oliver C. Eckel,Carlisle, Mass. (R9. Box 226, Cambridge, Mass. 02138) Fiied Aug. 18,1964, Ser. No. 390,391 2 Claims. (Cl. 49-502) This invention relates toa door body.

One object of my invention is to provide a new and useful door bodyconstruction that utilizes a corrugated sheet of somewhat resilientmaterial that provides dimensional stability to the body.

Another object is to provide a door body that utilizes one or more coresof corrugated material that is somewhat resilient and yet rigid enoughto provide dimensional stability to the body.

Still another object is to combine said corrugated core with non-rigid,resilient material commencing adjacent the face surfaces of said bodywhereby the door body will readily yield when struck, as by a movingvehicle, and yet maintain some stability and have durability by virtueof said core.

A further object is to provide such construction that is formed ofmaterial relatively economical to manufacture and easy to utilize infabricating a door body.

The foregoing and other objects, which will appear as the nature of theinvention is better understood, may be accomplished by a construction,combination and arrangement of par-ts such as is disclosed by thedrawings. The nature of the invention is such as to render itsusceptible to various changes and modifications, and, therefore, I amnot to be limited to the construction disclosed by the drawings nor tothe particular parts described in the specification; but am entitled toall such changes therefrom as fall within the scope of my claims.

In the drawings:

FIG. 1 is a front elevational view showing my door body.

FIG. 2 is an enlarged, sectional view taken on the line 22 of FIG. 1.

FIG. 3 is an enlarged, fragmentary, perspective view of door body, thecore and filler being shown in crosssection.

FIG. 4 is an enlarged, sectional view taken on the line 4-4 of FIG. 7.

FIG. 5 is an enlarged, fragmentary, sectional view showing two coresfastened together by an adhesive.

FIG. 6 is a view similar to FIG. 5 but showing the two cores fastenedtogether by a rivet.

FIG. 7 is a front elevational view showing a modified form of door body.

FIG. 8 is an enlarged, fragmentary plan view of a modified form of doorbody construction.

FIG. 9 is a fragmentary, sectional view taken on the line 9-9 of FIG. 8.

FIG. 10 is a fragmentary, cross-sectional view of another modified formof door body.

FIG. 11 is an enlarged, sectional view taken on the line 1111 of FIG. 7.

FIG. 12 is a fragmentary, cross-sectional view showing another modifiedform of construction.

FIG. 13 is a front elevational view of another modified form of doorbody.

FIG. 14 is an enlarged, sectional view taken on the line 1414 of FIG.13.

FIG. 15 is an enlarged, sectional view taken on the line 15-15 of FIG.13.

As illustrated in FIGS. 1, 2 and 3, my door body 14 has twoshock-resistant portions 15 and 15a spaced apart as shown in saidFIG. 1. Said body is formed with a core 16 of corrugated material suchas fiber glass reinforced polyester, or acrylic plastic, or metal. Thismemher 16 provides rigidity or dimensional stability, yet is somewhatresilient. It is shown perforated as at 17 and intermediate of, andpreferably spaced from the front and rear faces of the door body.

In the intermediate and lowest portions of the door body shown in saidFIG. 1, an outer cover 18 and 18a is provided for each that is shownextending continuously from the front face of the door body to the rearface, forming both of said faces. It may be made of rubber sheeting orsimilar resilient material.

Between said outer cover front and rear faces and filling the spacesbetween the latter and said core 16, is resilient filler material 22that is non-rigid such as urethane or foam rubber that are foamed so asto pass through said perforations 17. Said filler 22 may be preformedcellular rubber in corrugated strips as later explained.

At said shock-resistant portions 15 and 15a of the door body, saidcovers 18 and 18a extend beyond the outer edge of the door body toprovide hollow nose portions 25 and 26 respectively. At the inner end ofthe door body a mounting block 27, which may be made of wood, is shown,outside of which and said cover 18 are metal retainers 28 and 30 thatextend part way around a supporting :post 31 on which the door body iscommonly mounted. A screw 32 holds the retainers 28 and 30 to said post31. Said corrugated core 16 extends into said block 27 which may be madein two pieces and joined together to firmly hold said core.

Said door body 14 is provided with outer end nose portions 33 and 34 atall parts of said body other than portions 15 and 15a. These noseportions 33 and 34 are formed by looped rubber sheet members that extendoutwardly from said corrugated core 16, to opposite sides of which theyare cemented.

In FIGS. 4, 7 and 11 of the drawings, I show another form of door body35 that has two corrugated cores 36 and 38 which preferably are fastenedtogether at their groove portions 40 and 42 respectively by rivets 44,or by cementing as at 46 and illustrated in said FIG. 5. This door body35 is shown provided with shock-resistant portions 48 and 50 spacedapart similar to said portions 15 and 15a shown in said FIG. 1. Abovesaid portion 48, and at the outer half portion of the door body, is atransparent portion 51 which is provided by cutting said core member 38off when it reaches said transparent portion 51, as shown in said FIG. 4so that the door body at this point consists of a single corrugated core36.

Said door body 35 is provided with outer end nose portions 52 and 53except at said shock-resistant portions 48 and 50, which latter haveouter cover nose portions 54 and 55 formed in outer covers 56 and 56arespectively. Said nose portions 52 and 53 are cemented to said coremember 36 as shown in said FIG. 4. Metal retainers 57 and 58 and a post60 are provided that are similar to those previously described. A screw61 holds the latter three and said cores 36 and 38 together.

In the door body 35 shown in said FIG. 7, the core 36 is formed oftransparent material, and since the door body consists of one memberonly at this point, this part of the door body serves as a window.

In said FIG. 8 a modified door body construction is illustrated in whichthere are two corrugated cores 64 and 66 spaced apart and in which thefurrows or groove portions extend parallel to each other, as well as theridges. An intermediate corrugated core 68 has furrows and ridges thatextend angularly relative to those in said cores 64 and 66.

In said FIG. 10 a modified door construction is illustrated in whichthere are two corrugated cores 70 and 72 similar to said cores 64 and66, and a flat intermediate core 74 extending between said cores 70 and72.

In this construction said three cores 70, 72 and 74, which are similarto cores 316 and 38, are connected together by rivets 76. Resilient,non-rigid filler material 78 is shown between said core 70 and an outercover 80, and between said core 72 and said outer cover 80. The nose ofthe latter is given the numeral 82. Said filler 78 is shown as acorrugated strip of cellular rubber with furrows and ridges interfittingwith those of said cores 70 and 72.

In said FIG. 12 another modification of said door body is shown in whichthe body is formed of a single corrugated member 84 at the inner end ofwhich are two metal retainers 86 and 88 that are fastened together by arivet 99 that extends through said corrugated member 84. Said latter tworetainers extend around the usual mounting post 91 and are attachedtogether, as well as said member 84 by rivets 92. Also a rivet 94connects said corrugated member 84 and said retainer 88.

In said FIG. 13 another modification of the door body is shown in whichsaid cores 70 and 72 shown in said FIG. 10 are terminated at a pointintermediate opposite side extremities of the door, leaving an exposedtransparent center core 96 in both alinement and end abutment with saidcore 74. This separate center core 96 serves as a removable window.

Tubular screw members 98 that are internally threaded, receive screws100 to hold said corrugated cores 70 and 72 to border portions of saidcenter sheet 96. This makes it possible to unfasten said members 98 and100 should one desire to remove said center core or window 96.

What I claim is:

1. A door body comprising two corrugated cores of relatively firm andresilient material each having furrows which are respectively oppositeand adjacent each other,

means connecting said cores at said furrows, an outer 3 cover at thefront and rear faces of said body, one of said cores being shorter thansaid first core in a cross- 4 wire direction thereby leaving a spacebetween its terminating point and the outer end of said door, a loopmember attached to the first of said cores at the outer end thereof andextending beyond, and mounting means at the inner end portion of saiddoor attached to said corrugated cores.

2. A door body having an intermediate window portion and comprising twocorrugated cores of relatively firm and resilient material each havingfurrows which are respectively opposite and adjacent each other, a fiatsheet extending between said cores, means connecting said fiat sheet andsaid cores at said oppositely disposed furrows, an outer cover at thefront and rear faces of said body, non-rigid material between said coresand cover, and said cores terminating laterally adjacent opposite sideextremities of said window portion and extending beyond said fiat sheet,a separate transparent fiat sheet forming and extending beyond saidwindow portion and between said cores, and removable means attachingsaid transparent fiat sheet to said cores at border portions of saidlatte-r sheetv References Cited by the Examiner UNITED STATES PATENTSHARRISON R. MOSELEY, Primary Examiner.

KENNETH DOWNEY, Examiner.

2. A DOOR BODY HAVING AN INTERMEDIATE WINDOW PORTION AND COMPRISING TWOCORRUGATED CORES OF RELATIVELY FIRM AND RESILIENT MATERIAL EACH HAVINGFURROWS WHICH ARE RESPECTIVELY OPPOSITE AND ADJACENT EACH OTHER, A FLATSHEET EXTENDING BETWEEN SAID CORES, MEANS CONNECTING SAID FLAT SHEET ANDSAID CORES AT SAID OPPOSITELY DISPOSED FURROWS, AN OUTER COVER AT THEFRONT AND REAR FACES OF SAID BODY, NON-RIGID MATERIAL BETWEEN SAID CORESAND COVER, AND SAID CORES TERMINATING LATERALLY ADJACENT OPPOSITE SIDEEXTREMITIES OF SAID WINDOW PORTION AND EXTENDING BEYOND SAID FLAT SHEET,A SEPARATE TRANSPARENT FLAT SHEET FORMING AND EXTENDING BEYOND SAIDWINDOW PORTION AND BETWEEN SAID CORES, AND REMOVABLE MEANS ATTACHINGSAID TRANSPARENT FLAT SHEET TO SAID CORES AT BORDER PORTIONS OF SAIDLATTER SHEET.